Learn about this topic in these articles:

history of Memphis

...craftsmen and artisans and, in some contexts, a creator god as well. The great temple of Ptah was one of the city’s most prominent structures. According to an Egyptian document known as the “
Memphite Theology,” Ptah created humans through the power of his heart and speech; the concept, having been shaped in the heart of the creator, was brought into existence through the divine...

Hu, Sia, and Heh

...members in the solar bark of the sun god Re. They were represented in an undistinctive form as bearded men and also served as bearers of the eye of the god Horus. In the text known as the “
Memphite Theology,” they personified the tongue and the heart of the god Ptah. They were also regarded as being two of the divine attributes of every king.